Home / 477,212.29-715,802.02-122,229.38

Finding the Fourth Proportional to 477,212.29, 715,802.02 and 122,229.38

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Solution

The fourth proportional to 477,212.29, 715,802.02 and 122,229.38 is: 183,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,212.29 : 715,802.02 = 122,229.38 : x
  2. Step 2: Convert to fraction form
    477,212.29/715,802.02 = 122,229.38/x
  3. Step 3: Cross multiply
    477,212.29x = 715,802.02 × 122,229.38
  4. Step 4: Simplify right side
    477,212.29x = 87,492,037,107.35
  5. Step 5: Solve for x
    x = 87,492,037,107.35/477,212.29
  6. Step 6: Final answer
    x = 183,339.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.